/* 通用样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-control {
    width: 100%;
    height: 40px;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.form-control:focus {
    border-color: #3498db;
    outline: none;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
}

.btn-primary {
    background-color: #3498db;
}

.btn-secondary {
    background-color: #95a5a6;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

.btn-link {
    background: none;
    color: #3498db;
    padding: 5px;
}

.btn-link:hover {
    background: none;
    text-decoration: underline;
}

/* 警告框样式 */
.alert {
    padding: 10px 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    display: none;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
}

/* 标题样式 */
.header {
    text-align: center;
    margin: 30px 0;
}

.header h1 {
    color: #2c3e50;
    font-size: 32px;
    margin-bottom: 10px;
}

/* 单选按钮组样式 */
.radio-group {
    margin-top: 10px;
}

.radio-group label {
    display: inline-flex;
    align-items: center;
    margin-right: 20px;
    cursor: pointer;
}

.radio-group input[type="radio"] {
    margin-right: 8px;
}

/* 按钮组样式 */
.btn-container, .btn-group {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
} 